Photographer Anne Chadwick Williams spends one day a week taking pictures of dogs at a Sacramento, Calif., city shelter — but her four-legged subjects don't always cooperate. In this slideshow, she shares several of her best blooper shots, with some pretty apropos captions.

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The Messy Eater

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This Is Not What I Wanted to Do Today

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Can You See Me Now?

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I Am a Chihuahua, What Do You Expect?

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Hold On, I Have an Itch

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Hmmm, I'm Not So Sure

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Me Again. Can You Check to See If I Got All That Peanut Butter Off My Teeth, Please.